| 838 | |
| 839 | # Fast Binary Encoding Order model |
| 840 | class OrderModel(fbe.Model): |
| 841 | __slots__ = "_model", |
| 842 | |
| 843 | def __init__(self, buffer=None): |
| 844 | super().__init__(buffer) |
| 845 | self._model = FieldModelOrder(self.buffer, 4) |
| 846 | |
| 847 | @property |
| 848 | def model(self): |
| 849 | return self._model |
| 850 | |
| 851 | # Get the model size |
| 852 | @property |
| 853 | def fbe_size(self): |
| 854 | return self._model.fbe_size + self._model.fbe_extra |
| 855 | |
| 856 | # Get the model type |
| 857 | @property |
| 858 | def fbe_type(self): |
| 859 | return self.TYPE |
| 860 | |
| 861 | TYPE = FieldModelOrder.TYPE |
| 862 | |
| 863 | # Check if the struct value is valid |
| 864 | def verify(self): |
| 865 | if (self.buffer.offset + self._model.fbe_offset - 4) > self.buffer.size: |
| 866 | return False |
| 867 | |
| 868 | fbe_full_size = self.read_uint32(self._model.fbe_offset - 4) |
| 869 | if fbe_full_size < self._model.fbe_size: |
| 870 | return False |
| 871 | |
| 872 | return self._model.verify() |
| 873 | |
| 874 | # Create a new model (begin phase) |
| 875 | def create_begin(self): |
| 876 | fbe_begin = self.buffer.allocate(4 + self._model.fbe_size) |
| 877 | return fbe_begin |
| 878 | |
| 879 | # Create a new model (end phase) |
| 880 | def create_end(self, fbe_begin): |
| 881 | fbe_end = self.buffer.size |
| 882 | fbe_full_size = fbe_end - fbe_begin |
| 883 | self.write_uint32(self._model.fbe_offset - 4, fbe_full_size) |
| 884 | return fbe_full_size |
| 885 | |
| 886 | # Serialize the struct value |
| 887 | def serialize(self, value): |
| 888 | fbe_begin = self.create_begin() |
| 889 | self._model.set(value) |
| 890 | fbe_full_size = self.create_end(fbe_begin) |
| 891 | return fbe_full_size |
| 892 | |
| 893 | # Deserialize the struct value |
| 894 | def deserialize(self, value=None): |
| 895 | if value is None: |
| 896 | value = Order() |
| 897 | |